Window



H. B. CHAFFEE.

WINDOW.

APPLICATION FILED APR.29, 1919.

1,363,837; Patnted Dec. 23,1920.

INVENTOR fi Orace 5. (Zia/79c ATTORNE'Y UNITED STATES HORACE B. CHAFFEE, 0F BROOKLYN, NEW YORK.

WINDOW.

Specification of Letters Patent.

Patented Dec. 28, 1920.

Application filed April 29, 1919. Serial No. 293,492.

To all whom it may concern Be it known that I, HORACE B. CHAFFEE, a citizen of the United States, residing at Brooklyn, county of Kings, and State of New York, have invented certain new and useful Improvements in Vindows, of which the following is a specification.

This invention relates to windows, and is particularly directed to improved window construction whereby the sashes, as well'as the frame of a window screen, may be easily and expeditiously assembled within a window frame.

The object of the invention is to provide a sheet metal construction which will mount the sashes and the screen frame for free sliding movement without binding, and to so form the parts that the structure may be readily painted from time to time, as oocasion requires, without necessitating the exercise of care against painting the parts so as to preclude easy sliding movement thereof. The construction is such that the structural elements may be painted in the usual manner without any danger of filling the joints, and after being so painted the window sash may be readily slid up and down without showing marks on the paint due to the sliding action between the sashes and the guides in which they travel.

A further object of the invention is to pro- I vide a construction of this character which will obviate the necessity of weather-stripping, the parts being so formed that wind or rain cannot possibly beat through the joints.

Another object of the invention is to provide improved means for mounting the screen in a position for sliding movement, and maintaining the said screen in cooperative relation to the adjacent window sash through the agency of the means which maintains the window sash in place.

Features of the invention other than those specified will be apparent from the ponstruction embodying the present invenion;

Fig. 2 is a detail of the improved screen guide which I preferably employ; and

Fig. 3 is a horizontal section through a part of the construction of Fig. 1.

Referring to the drawings, 1 indicates the pulley-stile of a window frame, which, in accordance with the present invention, forms the front wall of the sash-weight slides or pockets, but the exposed face of said stile, instead of being cut away, or rabbeted, for the blind and parting strips, as is usual, is made perfectly flat as shown. The usual false jamb may be associated with the inner edge of the pulley-stile 1 if desired, but this forms no part of the present invention. Furthermore, the window stop, which normally serves to hold the inner sash against the parting strip, is dispensed with, as both sashes, in accordance with this invention, are mounted for vertical sliding movement in sheet metal guides 2 and 3, next to be described.

The guides 2 and 3 forboth the inner and outer sashes 4 and 5, respectively, are identical with one another, and are bent up from sheet metal in the form of a channel section, the base of which is secured to the stile 1 by screws 6 and 7 respectively. The guides 2 and 3 are mounted in vertical position on the exposed face of each pulley-stile 1 of the window frame and extend from the sill up to the head-stile whichv forms the top of the frame, the two guides being placed side by side and in engagement with one another. The free edges of each channel section are provided with box shaped flanges 8 and 9, one side of each of. which is provided with an inwardly projecting vertical rib. The side 10 of each flange 8 has a rib 17 and a similar rib 17 is formed on the side 11 of each flange 9. Into the box shaped flanges 8 and 9 are adapted to interfit boxflanges 12 and 13 of corresponding shapes which are formed on plates 14 and 15 adapted to be screwed on to the window sashes 4 and 5, and held in place by screws 16. The vertically extending ribs 17 are adapted to engage the box-flanges 12 and 13 of the plates 14 and 15 in substantially line contacts. All of the flange-s are so proportioned that the sides 10 and 11 of the flanges 8 and 9 of the guides 2 and 3 will be free from engagement with the plates 14 and 15 except at the ribs 17, so as not to cause friction between the flanges 8 and 9 and said flanges l2 and 13- when the window sashes are raised or lowered. During this opera tion the box-flanges 12 and 13, which are carried by the window sashes, will engage with-the flanges only in the line contacts furnished by the ribs 17, and, operating in this manner, the sashes may bereadily raised or lowered with a minimum of friction.

Bymaintaining the various flanges of the fixed and stationary parts in spaced relation as described, and providing only line contacts between the fixed and moving parts, friction is not only obviated, but, it is impossible to paint the parts so that they will become stuck together when the paint dries. This is manifest when it is noted that the ribs 17 are'positioned at the innermost parts of the interfitting flanges where it is practically impossible to introduce paint except before assembling the parts. The parts may be properly painted before assembling, but, when once assembled, the sticking of the sash due to want o f-care during the painting thereof is absolutely avoided.

In the drawings, 1 have illustrated a practical manner in which a window screen may be readily supported in substantially the samemanner as described with referenceto the sashes. The guide 18, for supporting the screen, is in the form of a plate 19 flanged after the same manner as the guides 2 and 3, and provided with a rib 17 corresponding to the rib 17 The plate 19 is adapted to he slipped in between t he inside sash guide 2, and the pulley-stile 1, as shown in Figs' 1 and 3 and is provided with slots 20 which so cut out the plate 19 as to clear the screws 6. By tightening up the screws 6 to hold the guide 2 in position, the plate 19 is simultaneously clamped between the guide 2 and the pulley-stile. The frame 21, which car ries the window screen, is provided with a plate 14' which is shown of a construction identical with the plate 14 of the sashes, and the box-flange of this plate is adapted to interfit with the flange of the plate 19, and mount the screen frame 21 for vertical sliding movement. The-plate 14 is secured to the frame 21 by means of screws 22. It

will be understood that the thickness of the screen frame 21 may be readily compensated for by sliding the plate 19 back of the guide 2 and locking the plate 19 by tightening the screws 6 in such position that the screen may be readily raised or lowered without rubbing the adjacent plate 14 of the inner sash.

In the accompanying drawings the invention is specifically shown, and has hereinbefore been described as particularly adapted for mounting sashes and screens for sliding movement in a window frame. but 1 wish it understood that the invention may be used for sliding doors. In any of its embodiments it will adequately preclude the sticking of the movable element relative to the fixed element as a result of painting the parts. The invention is not only adapted to be incorporated in buildings of the ordinary character but it is also adapted for employ ment in portable buildings due to the ease and economy with which it may be installed. Not only is the invention to preclude the sticking of the sashes but, because of the interlocking flanges, it constitutes an eflicient form of weather stripping so that the employment of extraneous means to preclude the entrance of rain or wind into the build ing is rendered unnecessary where the construction illustrated is employed.

I 1n the preferred embodiment of the iiivention the guides 2 and 3 are preferably made U-shaped as shown and are flanged as described to provide run-ways over the cooperating flanges of the window sashes. The adjacent faces of the guides 2 and 3 are placed in face abutting relation as shown and partake of substantially the same position as the parting strip in wooden window construction. However, the parts may be greatly simplified by dispensing with those portions of the guides 2 and 3 which lie between the dotted lines X and Y in Fig. 1. This will of course dispense with the lateral portions of said guides which carry the adjacent flanges 8 and 9 as well as the adjacent plates 14 and 15 which are mounted on the sashes and in lieu of these dispensed with portions anordinary form of parting strip is employed against the opposite edges of which the free edges of the guides 2 and 3 are adapted to abut. This modified construction is manifestly muclrsimpler than the form of the invention shown in Figs. 1 and 3 and of course more economical. The preferred construction is, however, superior since the sashes are shiftable along line contacts which allow of much freer movement of a window and less liability to sticking than the construction wherein the sashes directly engage with the faces of the parting strip.

Having thus fully described the invention, what I claimcas new, and desire to secure by Letters Patent is:

1. Means for mounting a movable element for slidable movement relative to a fixed element, embodying a channeled guide mounted on the fixed element and provided at its free edges with inwardly extending box-shaped flanges, and shaped flanges mounted on the movable element and housed in interfitting relation within the flanges of the guide, one 'of eachset of the coacting flanges being provided with a rib adaptednto maintain the interfitting flanges in spaced relation and having line contact between them.

2. Means for mounting a plurality of movable elements for slidable movement relative to a fixed element, embodying a guide provided with a box-shaped flange, a movside thereof wit-h a pair of vertical parallel box-shaped flanges, and a sash mounted in the frame, each stile of which is provided on both its inner and outer faces with plates having box-shaped flanges inter-fitting with the box-shaped flanges of the frame, one of each pair of the coacting box-shaped flanges of the sash and frame being provided with a longitudinal rib, whereby the coacting boxshaped flanges engage one another in line contact.

at. Improved window construction embodying a window frame, each side of which is provided with a pair of upright parallel box-shaped flanges, a sash mounted within the frame, and a box-shaped sheet metal flange secured on one face of each stile of the sash and interfitting with the box-shaped flanges of the frame.

5. Improved window construction em bodying a window frame provided at each side with an upright sheet metal channel section, each channel section being provided at its edges with a box-shaped flange, anda sash mounted within the frame and each stile of which is provided with a flange intel-fitting with each of the box-shaped flanges of the channel sect-ion at the corresponding side of the frame.

6. Improved window construction embodying a window frame provided at each.

jacent. each face of which is formed a flange interfitting withthe box-shaped flange of the channel section and engaging with the rib of said box-shaped flange to provide a line contact between the flange ofthe sash and the flange of the channel section.

7. Improved window construction embodying a window frame provided on each side thereof with a plate, one edge of which is provided with a box-shaped flange and the body of which plate is provided with transverse slots, a movable frame provided with a flange interfitting with the boxshaped flange of said plate, a channel section positioned. in upstanding relation at either side of the frame and overlying a portion of said plate, each edge-of the channel section being provided with a boxshaped flange, a sash frame, each stile of which is provided with a box-shaped flange inter-fitting with the flanges of the channel section, and securing means passing through the base of the channel section and through the slots of the plate into the window frame for simultaneously mounting both the channel section andplate in position on the window frame but permitting of adjustment between the channel section and said plate to.

compensate for the thickness of the movable frame.

8. Improved window construction embodying a window frame, an upright channel section positioned at either side of the frame, a sash mounted for sliding movement between said channel sections, and screws passing through the base of the channel sections into the frame, in combination with aplate positioned between the base of each channel section and the frame. and slotted to permit of lateral adjustment of the plate, said plate being provided at one of its "er-tical edges with a box-shaped flange, and a screen frame provided at each of its vertical edges with a flange interfitting with the flange of the plate, whereby the plate may be adjusted to assure proper sliding relation between the'sash and the screen frame.

In testimony whereof, I have signed my 100 name to this specification.

-HORACE B. CHAFFEE. 

